Universal Licensing System
WHH550
Metropolitan Water District of Southern California
License details
| ULS identifier | 981622 |
|---|
| Call sign | WHH550 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2022-09-14 |
|---|
| Expiration | 2032-09-15 |
|---|
| Frequency range | 6004.5 - 11135 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 34.0311111, -116.9080833 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6004.50000000 | | | | | |
| 1 | 4 | FXO | 11135.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6004.50000000 | | 30M0D7W |
| 1 | 4 | 11135.00000000 | | 40M0W7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 18250 LA SIERRA BLVD, RIVESIDE, RIVERSIDE, CA | 33.85086111, -117.45588889 | 445.000 m | TOWER | 19.000 m structure / 20.000 m overall | N |
| 2 | R | | 33.79530556, -117.60838889 | 1215.200 m | | | |
| 4 | R | | 34.03111111, -116.90808333 | 1690.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION PL8-59D | | H | 41.5000 | 246.5000 | | |
| 1 | 2 | R | ANDREW CORPORATION UHX8-59J LF | | | 41.3000 | | | |
| 2 | 4 | R | RFS DA8-107A | | | 46.4000 | | | |
| 4 | 1 | T | RFS DA8-107A | | V | 46.4000 | 68.3000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3201 Wheeler Ave, La Verne, CA | LOS ANGELES | 9093925230 |
License history
| Date | File or call sign | Action |
|---|
| 2023-05-25 | WHH550 | LIAUA |
| 2022-09-14 | WHH550 | LIREN |
| 2022-09-05 | WHH550 | ESURNW |
| 2022-08-16 | WHH550 | ESURNW |
| 2022-06-20 | WHH550 | LETRES |
| 2018-07-11 | WHH550 | LIAUA |
| 2013-12-31 | WHH550 | LETCNS |
| 2012-10-31 | WHH550 | LIMOD |
| 2012-10-13 | WHH550 | ESUAPR |
| 2012-09-28 | WHH550 | LIMOD |
| 2012-09-05 | WHH550 | LIAUA |
| 2012-09-01 | WHH550 | ESUAPR |
| 2012-08-28 | WHH550 | ESUAPR |
| 2012-08-28 | WHH550 | LIAUA |
| 2012-08-13 | WHH550 | ESUAPR |
| 2012-07-18 | WHH550 | LIREN |
| 2012-07-17 | WHH550 | ESURNW |
| 2012-06-25 | WHH550 | LETRES |
| 2012-06-19 | WHH550 | LETCNS |
| 2012-06-17 | WHH550 | ESURNW |
| 2012-04-20 | WHH550 | LIAUA |
| 2012-04-19 | WHH550 | ESUAPR |
| 2011-03-16 | WHH550 | LIMOD |
| 2011-03-08 | WHH550 | ESUAPR |
| 2010-11-17 | WHH550 | LTSAPR |
| 2010-11-16 | WHH550 | LIAUA |
| 2010-11-16 | WHH550 | EFCAPR |
| 2010-11-16 | WHH550 | ESCAPR |
| 2010-11-15 | WHH550 | EFUAPR |
| 2010-11-15 | WHH550 | ESUAPR |
| 2010-04-27 | WHH550 | AUTHPR |
| 2010-04-25 | WHH550 | ANATRM |
| 2010-04-25 | WHH550 | FRATRM |
| 2010-04-25 | WHH550 | PAATRM |
| 2010-04-25 | WHH550 | LOATRM |
| 2010-02-17 | WHH550 | PNLISR |
| 2010-02-17 | WHH550 | LETTRS |
| 2009-10-14 | WHH550 | LETCNS |
| 2008-07-11 | WHH550 | LIMOD |
| 2008-06-17 | WHH550 | ESUAPR |
| 2003-05-09 | WHH550 | LIAUA |
| 2002-06-25 | WHH550 | LIREN |
| 2002-06-24 | WHH550 | LETRES |
| 2002-04-08 | WHH550 | LIMOD |
| 1999-08-13 | WHH550 | LICCNV |
| 1997-06-26 | WHH550 | LIREN |
| 1992-09-15 | WHH550 | LIMOD |
| 1992-08-06 | WHH550 | LIMOD |
| 1992-07-02 | WHH550 | LIMOD |
| 1987-08-10 | WHH550 | LIMOD |
| 1982-07-09 | WHH550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 981622 | 2026-08-02 02:46:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WHH550 | ULS 981622 | 2026-08-02 02:46:10 |
| Status | A | ULS 981622 | 2026-08-02 02:46:10 |
| Service | MW | ULS 981622 | 2026-08-02 02:46:10 |
| Grant Date | 2022-09-14 | ULS 981622 | 2026-08-02 02:46:10 |
| Expiration Date | 2032-09-15 | ULS 981622 | 2026-08-02 02:46:10 |